The Comparative Analysis :

BMW Z4 Roadster sDrive20i Automatic (13 - 16) vs. Audi TT Roadster 40 TFSI S tronic (18 - ..)

€ 39,600
BMW Z4 Roadster sDrive20i Automatic (13 - 16) BMW Z4 Roadster sDrive20i
€ 38,900
 Audi TT Roadster 40 TFSI S tronic (18 - ..) Audi TT Roadster 40 TFSI
€ 39,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 38,900

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The dimensions of these vehicles differ slightly. The BMW Z4 Roadster sDrive20i is 2.4 inches longer, 1.7 inches narrower and 2.5 inches lower than the Audi TT Roadster 40 TFSI.
BMW Z4 Roadster sDrive20i
Audi TT Roadster 40 TFSI
50.8
Blueprint BMW Z4 Roadster sDrive20i Automatic (13 - 16)
70.5
76.8
53.3
Blueprint Audi TT Roadster 40 TFSI S tronic (18 - ..)
72.1
77.4
70.5 in
Width
72.1 in
76.8 in
Width Incl. Mirrors
77.4 in
50.8 in
Height
53.3 in
Blueprint BMW Z4 Roadster sDrive20i Automatic (13 - 16)
98.3
166.9
Blueprint Audi TT Roadster 40 TFSI S tronic (18 - ..)
98.6
164.4
166.9 in
Length
164.4 in
98.3 in
Wheelbase
98.6 in

Vehicle Weight

BMW Z4 Roadster sDrive20i
Audi TT Roadster 40 TFSI
3296 lb
Curb Weight
3164 lb
3858 lb
Gross Vehicle
Weight
3781 lb
BMW Z4 Roadster sDrive20i Automatic (13 - 16)
Weight Difference:
132 lb
4 %
Audi TT Roadster 40 TFSI S tronic (18 - ..)

General

BMW Z4 Roadster sDrive20i
Audi TT Roadster 40 TFSI
E89
Generation
8S
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Mid-Grade Unleaded
Rear-wheel drive
Drivetrain
Front-wheel drive
8-speed automatic transmission
Transmission
7-speed dual clutch transmission

Engine

BMW Z4 Roadster sDrive20i
Audi TT Roadster 40 TFSI
Straight-four gasoline engine with tur­bo­charger
Engine Type
Straight-four gasoline engine with tur­bo­charger
BMW N20
Engine Series
VW EA888
N20-B20
Engine Code
DKZ
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
181 hp
at 5000 rpm
Power
194 hp
at 4400 rpm
BMW Z4 Roadster sDrive20i
181 hp
194 hp
Audi TT Roadster 40 TFSI
199 lb‑ft
at 1250 rpm
Max. Torque
236 lb‑ft
at 1500 rpm
BMW Z4 Roadster sDrive20i
199 lb‑ft
236 lb‑ft
Audi TT Roadster 40 TFSI

Performance

BMW Z4 Roadster sDrive20i
Audi TT Roadster 40 TFSI
144 mph
Maximum Speed
153 mph
7.2 sec
Acceleration 0 to 62 mph
6.9 sec
62 mph 62
mph

328 ft
0.000 sec

BMW Z4 Roadster sDrive20i

62 mph 62
mph

315 ft
0.000 sec

Audi TT Roadster 40 TFSI

▶ REPLAY
18.21 lb/hp
Weight-to-Power Ratio
16.31 lb/hp
BMW Z4 Roadster sDrive20i
18.21 lb/hp
16.31 lb/hp
Audi TT Roadster 40 TFSI

Fuel Economy / Emissions

BMW Z4 Roadster sDrive20i
Audi TT Roadster 40 TFSI
Fuel Economy
35 mpg
combined
37 mpg
BMW Z4 Roadster sDrive20i
35 mpg
37 mpg
Audi TT Roadster 40 TFSI
25 mpg
city
28 mpg
No data
highway
No data
Kraftstoffanzeige
14.5 gal
Fuel Tank Capacity
13.2 gal
Kraftstoffanzeige
503 mi
Range
493 mi
BMW Z4 Roadster sDrive20i
503 mi
493 mi
Audi TT Roadster 40 TFSI
Environmental Impact
128.7 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
119.4 kWh
BMW Z4 Roadster sDrive20i
128.7 kWh
119.4 kWh
Audi TT Roadster 40 TFSI
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
256 g/mi (NEFZ)
CO2 Emissions
254 g/mi (WLTP)

Practical Convenience

BMW Z4 Roadster sDrive20i
Audi TT Roadster 40 TFSI
2
Doors
2
2
No. of Seats
2
562 lb
Maximum Payload
617 lb
8.8 cu ft
Trunk Volume
7.9 cu ft
No data
Cargo Volume (Seats Down)
No data